Clubul Sportiv Avântul Valea Mărului was founded in 2011 and after only one season promoted to Liga IV – Galați County. The club won Liga IV three times then, first time they lost the promotion play-off match against Olimpia Râmnicu Sărat 1–7 on aggregate.[1] Next season they won 7–2 on aggregate against Vaslui County champions, Pajura Huși, and promoted to Liga III for the first time in the club's history.[2]
In their first Liga III season they finished on 5th place.
Avântul withdrew from Liga III during the winter break of the 2017–18 season, but continued its activity at youth level with the U-15 and U-13 squads.[3] The club was enrolled in the Liga V at the start of the new season, 2018–19.[4]